Someone on this forum installed a Quaife LSD on his 335d. It works good (there is a review on the forum). It was welded, but Quaife has a solution for welded diffs now. You pay 4000EUR to quaife, they send you a pumpkin with LSD in it, then you swap and send them your LSD and get 2000EUR back.

Someone on this forum installed a Quaife LSD on his 335d. It works good (there is a review on the forum). It was welded, but Quaife has a solution for welded diffs now. You pay 4000EUR to quaife, they send you a pumpkin with LSD in it, then you swap and send them your LSD and get 2000EUR back.

Thanks for the info. I'll search for that review. I assume it's on this forum?